[ACPI] delete CONFIG_ACPI_BUS

it is a synonym for CONFIG_ACPI

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/pnp/Kconfig b/drivers/pnp/Kconfig
index 6776308..c514320 100644
--- a/drivers/pnp/Kconfig
+++ b/drivers/pnp/Kconfig
@@ -6,7 +6,7 @@
 
 config PNP
 	bool "Plug and Play support"
-	depends on ISA || ACPI_BUS
+	depends on ISA || ACPI
 	---help---
 	  Plug and Play (PnP) is a standard for peripherals which allows those
 	  peripherals to be configured by software, e.g. assign IRQ's or other